20644894

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1129}}^1$

素因数の和:1395

約数の個数: 16

約数和(自身を含む): 31893120

約数和(自身を除く): 11248226

約数列:

[1, 2, 41, 82, 223, 446, 1129, 2258, 9143, 18286, 46289, 92578, 251767, 503534, 10322447, 20644894]

約数ペア:

[(1, 20644894), (2, 10322447), (41, 503534), (82, 251767), (223, 92578), (446, 46289), (1129, 18286), (2258, 9143)]